Finding the Fourth Proportional to 343,063.85, 473,421.81 and 190,098.68
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Solution
The fourth proportional to 343,063.85, 473,421.81 and 190,098.68 is: 262,332.68
Step by Step Solution
- Step 1: Write the proportion equation
343,063.85 : 473,421.81 = 190,098.68 : x - Step 2: Convert to fraction form
343,063.85/473,421.81 = 190,098.68/x - Step 3: Cross multiply
343,063.85x = 473,421.81 × 190,098.68 - Step 4: Simplify right side
343,063.85x = 89,996,858,797.10 - Step 5: Solve for x
x = 89,996,858,797.10/343,063.85 - Step 6: Final answer
x = 262,332.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.